Fairchild CAM/CMOS-2K.LS User Manual

Page 20

Advertising
background image

ExSync Line Synchronization with Electronic Shutter Control is the fourth mode (Figure 3.4.5).
It gives the user asynchronous hardware control both start and end of integration.

The control lines ExSync and ElectronicShutter are CameraLink

TM

lines CC1 and CC2 respectively

as described in Reference A, and must be asserted by the frame grabber.

Synchronization

Line

Start

Trigger

Line

End

Start

of

Integration

End

of

Integration

1

Free

Running

(factory default)

The CAM/CMOS

2K.LS drives the frame

grabber(s).

Motion of the subject

being imaged must be

synchronized to the

CAM/CMOS-2K.LS

.

The

CAM/CMOS -

2K.LS

LineValid

Camera

Output

Triggers

the

frame

grabber(s)

by

Going

High

Line Ends

t

LinePeriod

- t

XFR

after

LineValid

Camera Output

Goes High

User may set

t

LinePeriod

with Software

t

Initiation

+ t

Reset

-t

XFR

after

LineValid

Camera Output

Goes High

t

Integration

after

start of Integration

User may set

t

Integration

with Software

2

ExSynch

Sychronization

When the User

takes

ExSynch

Camera Input Low

3

ExSynch

Synchronization

with

Programmable

Integration Time

t

Integration

+ t

Reset

after User

takes ExSync

Camera Input High

4

ExSynch

Synchronization

with

Electronic

Shutter
Control

t

Reset

after

the User

takes

ElectronicShutter

Camera Input High

When

the User

takes the

ElecShutter

Camera Input Low

Table 3.4.1

Summary of CAM/CMOS-2K.LS Modes

Mode

The

User

Triggers

the

CAM/CMOS-

2K.LS

by

taking

ExSynch

Camera

Input

Low

The User

Synchronizes

the

CAM/CMOS-2K.LS

via an

Encoder.

When the User

takes

ExSynch

Camera Input Low

Again

(In this way,

the

Line Rate

is

User-Set

by

Frequency

of

ExSynch)

t

Reset

after

the System

takes

the

ExSynch

Camera Input

High
























Fairchild Imaging • CAM/CMOS-2K.LS Line Scan Camera User’s Manual • Rev C• 20 of 42

Advertising